★ Understanding Clojure's Persistent Vectors, pt. 1 posted 25 Sep 2013 You may or may not heard about Clojure’s persistent vectors. It is a data structure invented by Rich Hickey (influenced by Phil Bagwell’s paper on Ideal Hash Trees) for Clojure, which gives practically O(1) runtime for appends, updates, lookups and subvec. As they are persistent, every modification creates a new vector instead
A week or so ago I was browsing /r/Python and I saw a link to a website called rise4fun.com, which is a Microsoft Research project that contains a lot of cool demos and tools that you can run in your browser. The demo I was linked to was a restricted Python shell that could be used to experiment with a “high performance theorem prover” called Z3. Python is a highly dynamic language and so it is pr
『るびま』は、Ruby に関する技術記事はもちろんのこと、Rubyist へのインタビューやエッセイ、その他をお届けするウェブ雑誌です。 Rubyist Magazine について 『Rubyist Magazine』、略して『るびま』は、Rubyist の Rubyist による、Rubyist とそうでない人のためのウェブ雑誌です。 最新号 Rubyist Magazine 0063 号 バックナンバー Rubyist Magazine 0063 号 Rubyist Magazine 0062 号 Kaigi on Rails 特集号 RubyKaigi Takeout 2020 特集号 Rubyist Magazine 0061 号 Rubyist Magazine 0060 号 RubyKaigi 2019 直前特集号 Rubyist Magazine 0059 号 Rubyist
Accurately conveying Japan, present and future, to the world. Mission Providing trustworthy information that deepens understanding of, and generates interest in, Japan. 世界中で、日本に興味を持つ人を増やし、日本についての理解を深めるために、私たちは、信頼できる情報を提供します。 Vision Contributing to a better world through the promotion of mutual understanding between Japan and various international communities. 日本と世界の相互理解を推進することで、よりよい世界の実現に貢献します。
IntroductionCSS has been lacking proper layout mechanisms for far too long. Transitions, animations, filters, all of these are great and useful additions to the language, but they don't address the major problems that Web developers have been complaining about for what seems like an eternity. Finally, thanks to Flexbox, we have a solution. This site is not another CSS framework. Instead, its purpo
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